Such advertising is one of the things that is needed to generate demand for FLOSS everywhere. The Linux Foundation may get a deal from Google or they may be able to afford the price. We bloggers can help by providing links to various organizations and individuals producing FLOSS. Every bit helps.
BTW, in about a week, the new release of Debian GNU/Linux will be official and this blog runs happily on GNU/Linux operating system, Apache web server, MySQL database, PHP scripting, and WordPress blogging software and many others.